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Cometic MLS head gasket for 1975–1987 Buick V6 (196/231/252) Stage I & II applications with a 3.86-inch bore and compressed operating thickness of 0.120 in. The multi-layer stainless assembly uses embossed outer layers coated with Viton and an uncoated stainless center shim. It requires no sealants, tolerates aluminum-to-aluminum or aluminum-to-iron combinations, rebounds to resist corrosion and evens clamp load to reduce bore distortion. Viton resists heat to 250°C (482°F).
Cometic 75-87 Buick V6 196/231/252 Stage I & II 3.86 inch Bore .120 inch MLS Head Gasket
